● Number of teeth: 15T, 16T, 18T, 24T, 25T, 20T, 30T, 32T, 35T, 36T, 38T, 40T, 50T, 55T, 60T. - In Order to Ensure the Effective Depth of the Bolt Hole Locking, the Bolt Hole of the Keyway Synchronous Gear with the Larger Inner Hole Is Offset 180 Degrees to the Opposite Side of the Keyway.
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